mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
021db4be6f
New configure option --enable-obsolete-rpc makes the deprecated RPC headers and functions available at compile time as they were before version 2.14. This option will be removed at some time in the future after the TI-RPC library becomes fully sufficient for the needs of existing applications.
147 lines
3.5 KiB
C
147 lines
3.5 KiB
C
#include <stdio.h>
|
|
#include <bits/libc-lock.h>
|
|
#include <rpc/rpc.h>
|
|
#include <assert.h>
|
|
|
|
#include <bits/libc-lock.h>
|
|
#include <bits/libc-tsd.h>
|
|
|
|
#ifdef _RPC_THREAD_SAFE_
|
|
|
|
/* Variable used in non-threaded applications or for the first thread. */
|
|
static struct rpc_thread_variables __libc_tsd_RPC_VARS_mem;
|
|
__libc_tsd_define (, struct rpc_thread_variables *, RPC_VARS)
|
|
|
|
/*
|
|
* Task-variable destructor
|
|
*/
|
|
void __attribute__ ((section ("__libc_thread_freeres_fn")))
|
|
__rpc_thread_destroy (void)
|
|
{
|
|
struct rpc_thread_variables *tvp
|
|
= __libc_tsd_get (struct rpc_thread_variables *, RPC_VARS);
|
|
|
|
if (tvp != NULL) {
|
|
__rpc_thread_svc_cleanup ();
|
|
__rpc_thread_clnt_cleanup ();
|
|
__rpc_thread_key_cleanup ();
|
|
free (tvp->clnt_perr_buf_s);
|
|
free (tvp->clntraw_private_s);
|
|
free (tvp->svcraw_private_s);
|
|
free (tvp->authdes_cache_s);
|
|
free (tvp->authdes_lru_s);
|
|
free (tvp->svc_xports_s);
|
|
free (tvp->svc_pollfd_s);
|
|
if (tvp != &__libc_tsd_RPC_VARS_mem)
|
|
free (tvp);
|
|
__libc_tsd_set (struct rpc_thread_variables *, RPC_VARS, NULL);
|
|
}
|
|
}
|
|
#ifdef _LIBC_REENTRANT
|
|
text_set_element (__libc_thread_subfreeres, __rpc_thread_destroy);
|
|
#endif
|
|
text_set_element (__libc_subfreeres, __rpc_thread_destroy);
|
|
|
|
|
|
/*
|
|
* Initialize RPC multi-threaded operation
|
|
*/
|
|
static void
|
|
rpc_thread_multi (void)
|
|
{
|
|
__libc_tsd_set (struct rpc_thread_variables *, RPC_VARS,
|
|
&__libc_tsd_RPC_VARS_mem);
|
|
}
|
|
|
|
|
|
struct rpc_thread_variables *
|
|
__rpc_thread_variables (void)
|
|
{
|
|
__libc_once_define (static, once);
|
|
struct rpc_thread_variables *tvp;
|
|
|
|
tvp = __libc_tsd_get (struct rpc_thread_variables *, RPC_VARS);
|
|
if (tvp == NULL) {
|
|
__libc_once (once, rpc_thread_multi);
|
|
tvp = __libc_tsd_get (struct rpc_thread_variables *, RPC_VARS);
|
|
if (tvp == NULL) {
|
|
tvp = calloc (1, sizeof *tvp);
|
|
if (tvp != NULL)
|
|
__libc_tsd_set (struct rpc_thread_variables *,
|
|
RPC_VARS, tvp);
|
|
else
|
|
tvp = __libc_tsd_get (struct rpc_thread_variables *,
|
|
RPC_VARS);
|
|
}
|
|
}
|
|
return tvp;
|
|
}
|
|
|
|
|
|
/* Global variables If we're single-threaded, or if this is the first
|
|
thread using the variable, use the existing global variable. This
|
|
provides backwards compatability for existing applications which
|
|
dynamically link against this code. */
|
|
#undef svc_fdset
|
|
#undef rpc_createerr
|
|
#undef svc_pollfd
|
|
#undef svc_max_pollfd
|
|
|
|
fd_set *
|
|
__rpc_thread_svc_fdset (void)
|
|
{
|
|
struct rpc_thread_variables *tvp;
|
|
|
|
tvp = __rpc_thread_variables ();
|
|
if (tvp == &__libc_tsd_RPC_VARS_mem)
|
|
return &svc_fdset;
|
|
return &tvp->svc_fdset_s;
|
|
}
|
|
libc_hidden_nolink_sunrpc (__rpc_thread_svc_fdset, GLIBC_2_2_3)
|
|
|
|
struct rpc_createerr *
|
|
__rpc_thread_createerr (void)
|
|
{
|
|
struct rpc_thread_variables *tvp;
|
|
|
|
tvp = __rpc_thread_variables ();
|
|
if (tvp == &__libc_tsd_RPC_VARS_mem)
|
|
return &rpc_createerr;
|
|
return &tvp->rpc_createerr_s;
|
|
}
|
|
libc_hidden_nolink_sunrpc (__rpc_thread_createerr, GLIBC_2_2_3)
|
|
|
|
struct pollfd **
|
|
__rpc_thread_svc_pollfd (void)
|
|
{
|
|
struct rpc_thread_variables *tvp;
|
|
|
|
tvp = __rpc_thread_variables ();
|
|
if (tvp == &__libc_tsd_RPC_VARS_mem)
|
|
return &svc_pollfd;
|
|
return &tvp->svc_pollfd_s;
|
|
}
|
|
#ifdef EXPORT_RPC_SYMBOLS
|
|
libc_hidden_def (__rpc_thread_svc_pollfd)
|
|
#else
|
|
libc_hidden_nolink_sunrpc (__rpc_thread_svc_pollfd, GLIBC_2_2_3)
|
|
#endif
|
|
|
|
int *
|
|
__rpc_thread_svc_max_pollfd (void)
|
|
{
|
|
struct rpc_thread_variables *tvp;
|
|
|
|
tvp = __rpc_thread_variables ();
|
|
if (tvp == &__libc_tsd_RPC_VARS_mem)
|
|
return &svc_max_pollfd;
|
|
return &tvp->svc_max_pollfd_s;
|
|
}
|
|
#ifdef EXPORT_RPC_SYMBOLS
|
|
libc_hidden_def (__rpc_thread_svc_max_pollfd)
|
|
#else
|
|
libc_hidden_nolink_sunrpc (__rpc_thread_svc_max_pollfd, GLIBC_2_2_3)
|
|
#endif
|
|
|
|
#endif /* _RPC_THREAD_SAFE_ */
|